include/wx/motif/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/private.h
   3 // Purpose:     Private declarations for wxMotif port
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PRIVATE_H_
  13 #define _WX_PRIVATE_H_
  14
  15 #include "wx/defs.h"
  16 #include "X11/Xlib.h"
  17
  18 class WXDLLEXPORT wxFont;
  19 class WXDLLEXPORT wxWindow;
  20 class WXDLLEXPORT wxSize;
  21 class WXDLLEXPORT wxBitmap;
  22 class WXDLLEXPORT wxColour;
  23
  24 #include "wx/x11/privx.h"
  25
  26 // Put any private declarations here: native Motif types may be used because
  27 // this header is included after Xm/Xm.h
  28
  29 // ----------------------------------------------------------------------------
  30 // convenience macros
  31 // ----------------------------------------------------------------------------
  32
  33 #define wxCHECK_MOTIF_VERSION( major, minor ) \
  34   ( XmVersion >= (major) * 1000 + (minor) )
  35
  36 #define wxCHECK_LESSTIF_VERSION( major, minor ) \
  37   ( LesstifVersion >= (major) * 1000 + (minor) )
  38
  39 #define wxCHECK_LESSTIF() ( __WXLESSTIF__ )
  40
  41 // some compilers (e.g. Sun CC) give warnings when treating string literals as
  42 // (non const) "char *" but many Motif functions take "char *" parameters which
  43 // are really "const char *" so use this macro to suppress the warnings when we
  44 // know it's ok
  45 #define wxMOTIF_STR(x) wx_const_cast(char *, x)
  46
  47 // ----------------------------------------------------------------------------
  48 // Miscellaneous functions
  49 // ----------------------------------------------------------------------------
  50
  51 WXWidget wxCreateBorderWidget( WXWidget parent, long style );
  52
  53 // ----------------------------------------------------------------------------
  54 // common callbacks
  55 // ----------------------------------------------------------------------------
  56
  57 // All widgets should have this as their resize proc.
  58 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  59                                String args[], int *num_args);
  60
  61 // For repainting arbitrary windows
  62 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  63                             XEvent *event, char *);
  64
  65 // ----------------------------------------------------------------------------
  66 // we maintain a hash table which contains the mapping from Widget to wxWindow
  67 // corresponding to the window for this widget
  68 // ----------------------------------------------------------------------------
  69
  70 extern void wxDeleteWindowFromTable(Widget w);
  71 extern wxWindow *wxGetWindowFromTable(Widget w);
  72 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  73
  74 // ----------------------------------------------------------------------------
  75 // wxBitmap related functions
  76 // ----------------------------------------------------------------------------
  77
  78 // Creates a bitmap with transparent areas drawn in the given colour.
  79 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, const wxColour& colour);
  80
  81 // ----------------------------------------------------------------------------
  82 // key events related functions
  83 // ----------------------------------------------------------------------------
  84
  85 extern char wxFindMnemonic(const char* s);
  86
  87 extern char * wxFindAccelerator (const char *s);
  88 extern XmString wxFindAcceleratorText (const char *s);
  89
  90 // ----------------------------------------------------------------------------
  91 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  92 // ----------------------------------------------------------------------------
  93
  94 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  95                                   Widget widget, const XEvent *xevent);
  96 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  97                                 Widget widget, const XEvent *xevent);
  98
  99 extern void wxDoChangeForegroundColour(WXWidget widget,
 100                                        wxColour& foregroundColour);
 101 extern void wxDoChangeBackgroundColour(WXWidget widget,
 102                                        const wxColour& backgroundColour,
 103                                        bool changeArmColour = false);
 104 extern void wxDoChangeFont(WXWidget widget, const wxFont& font);
 105 extern void wxGetTextExtent(WXDisplay* display, const wxFont& font,
 106                             double scale,
 107                             const wxString& string, int* width, int* height,
 108                             int* ascent, int* descent);
 109
 110 #define wxNO_COLORS   0x00
 111 #define wxBACK_COLORS 0x01
 112 #define wxFORE_COLORS 0x02
 113
 114 extern XColor itemColors[5] ;
 115
 116 #define wxBACK_INDEX 0
 117 #define wxFORE_INDEX 1
 118 #define wxSELE_INDEX 2
 119 #define wxTOPS_INDEX 3
 120 #define wxBOTS_INDEX 4
 121
 122 // ----------------------------------------------------------------------------
 123 // XmString/wxString conversion utilities
 124 // ----------------------------------------------------------------------------
 125
 126 wxString wxXmStringToString( const XmString& xmString );
 127 XmString wxStringToXmString( const wxString& string );
 128 XmString wxStringToXmString( const char* string );
 129
 130 // XmString made easy to use in wxWidgets (and has an added benefit of
 131 // cleaning up automatically)
 132 class wxXmString
 133 {
 134 public:
 135     wxXmString(const char* str)
 136     {
 137         m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 138     }
 139
 140     wxXmString(const wxString& str)
 141     {
 142         m_string = XmStringCreateLtoR((char *)str.mb_str(),
 143                                       XmSTRING_DEFAULT_CHARSET);
 144     }
 145
 146     // just to avoid calling XmStringFree()
 147     wxXmString(const XmString& string) { m_string = string; }
 148
 149     ~wxXmString() { XmStringFree(m_string); }
 150
 151     // semi-implicit conversion to XmString (shouldn't rely on implicit
 152     // conversion because many of Motif functions are macros)
 153     XmString operator()() const { return m_string; }
 154
 155 private:
 156     XmString m_string;
 157 };
 158
 159 // ----------------------------------------------------------------------------
 160 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 161 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 162 // ----------------------------------------------------------------------------
 163
 164 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 165 int wxDoGetSelectionInList( Widget listWidget );
 166 wxString wxDoGetStringInList( Widget listWidget, int n );
 167 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 168
 169 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 170                                       const wxWindow* window );
 171
 172 // ----------------------------------------------------------------------------
 173 // event-related functions
 174 // ----------------------------------------------------------------------------
 175
 176 class wxEventLoop;
 177
 178 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 179 // returns true if the loop should be exited
 180 bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
 181
 182 // Consume all events until no more left
 183 void wxFlushEvents(WXDisplay* display);
 184
 185 // ----------------------------------------------------------------------------
 186 // macros to avoid casting WXFOO to Foo all the time
 187 // ----------------------------------------------------------------------------
 188
 189 // argument is of type "wxWindow *"
 190 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 191
 192 // ----------------------------------------------------------------------------
 193 // accessors for C modules
 194 // ----------------------------------------------------------------------------
 195
 196 extern "C" XtAppContext wxGetAppContext();
 197
 198 #endif
 199 // _WX_PRIVATE_H_